LF00AB Datasheet, PDF (12/32 Pages) STMicroelectronics – VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

LF00AB/C
ELECTRICAL CHARACTERISTICS FOR LF40AB (refer to the test circuits, Tj = 25 ^oC,
C_i = 0.1 µF, C_o = 2.2 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
V_o Output Voltage
V_i Operating Input Voltage
I_{o ut} Output Current Limit
∆V_o Line Regulation
∆V_o Load Regulation
I_o = 50 mA, V_i = 6 V
I_o = 50 mA, V_i = 6 V -25<T_a<85 ^oC
I_o = 500 mA
V_i = 5 to 16 V, I_o = 5 mA
V_i = 5.3 V
I_o = 5 to 500 mA
3. 960
4
4. 04 0
V
3. 920
4. 08 0
V
16
V
1
A
4
20
mV
4
20
mV
I_d Quiescent Current
SVR Supply Voltage Rejection
ON MODE
Vi = 5 to 16 V Io = 0 mA
V_i = 5.3 to 16 V I_o = 500 mA
OFF MODE V_i = 6 V
I_o = 5 mA V_i = 6 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
0.5
1
mA
12
mA
50
1 00
µA
78
dB
73
dB
60
dB
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
V_d Dropout Voltage
V_il Control Input Logic Low
V_ih Control Input Logic High
I_o = 200 mA
I_o = 500 mA
-40 < T_a < 125 ^oC
-40 < T_a < 125 ^oC
I_i Control Input Current
V_i = 6 V, V_c = 6 V
C_O Output Bypass Capacitance ESR = 0.1 to 10 Ω I_o = 0 to 500 mA
0.2 0.35
V
0.4
0.7
V
0.8
V
2
V
10
µA
2
10
µF
ELECTRICAL CHARACTERISTICS FOR LF40C (refer to the test circuits, Tj = 25 ^oC,
C_i = 0.1 µF, C_o = 2.2 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
V_o Output Voltage
V_i Operating Input Voltage
I_{o ut} Output Current Limit
∆V_o Line Regulation
∆Vo Load Regulation
I_d Quiescent Current
SVR Supply Voltage Rejection
I_o = 50 mA, V_i = 6 V
I_o = 50 mA, V_i = 6 V -25<T_a<85 ^oC
I_o = 500 mA
V_i = 5 to 16 V, I_o = 5 mA
V_i = 5.3 V
I_o = 5 to 500 mA
ON MODE
Vi = 5 to 16 V Io = 0 mA
V_i = 5.3 to 16 V I_o = 500 mA
OFF MODE V_i = 6 V
I_o = 5 mA V_i = 6 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
3.92
4
4.08
V
3.84
4.16
V
16
V
1
A
4
20
mV
4
20
mV
0.5
1
mA
12
mA
50
1 00
µA
78
dB
73
dB
60
dB
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
V_d Dropout Voltage
V_il Control Input Logic Low
V_ih Control Input Logic High
I_o = 200 mA
I_o = 500 mA
-40 < T_a < 125 ^oC
-40 < T_a < 125 ^oC
I_i Control Input Current
V_i = 6 V, V_c = 6 V
C_O Output Bypass Capacitance ESR = 0.1 to 10 Ω I_o = 0 to 500 mA
0.2 0.35
V
0.4
0.7
V
0.8
V
2
V
10
µA
2
10
µF
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